Smithsonian Perpetual Motion Machine type_garden Available for bulk ordering

Available for bulk ordering

Whether constructing a café or racing cars

Marbles in a Tin Box feature colorful glass marbles neatly packed in a reusable tin

each Fart In A Can measures 5

super-soft fabric with embroidered details

Smithsonian Perpetual Motion Machine type_garden Available for bulk orderingExplore the fascinating science of motion and energy with the Smithsonian Perpetual Motion Machine. This interactive kinetic display uses steel balls and balanced motion to show how momentum and force are transferredcreating a continuous chain reaction effect. A mesmerizing STEM learning tool and desk display for ages 8+.